Opposites(in-, im-, il-)
Prefix "ad-"
100

Opposite of edible

inedible

100

Means “to move forward”

advance

200

Opposite of legal

illegal

200

Means “to change to fit a new situation”

adapt

300

Opposite of mature

immature

300

Means “to stick firmly to something”

adhere

400

Opposite of logical

illogical

400

Means “to speak to someone or write their location”

address

500

Why does the prefix “in-” sometimes change to “im-” or “il-”?

The prefix changes to match the first letter of the root word to make the word easier to pronounce

500

What does the prefix “ad-” mean?

It means to, toward, or near